What can you do with leftover watermelon rinds? Tossing them into the compost is one option, but here's an even better idea: turn them into pickles! These fermented watermelon rind pickles are tangy, crisp, and delicious alongside a sandwich or chopped up in a salad. Fermented with lactic acid bacteria (the "good guys"), they are satisfying to make and eat, plus they contain beneficial probiotics.

A fermentation jar with an airlock is a great tool for any fermentation project. However, don't let lack of a special jar deter you in this case. The fermentation time is short and sweet — 1 to 3 days — and you should be fine using any clean jar, lid, and something to keep the rinds submerged under the brine.

Using a spoon, scrape away any remaining flesh from the watermelon rind. Carefully remove the outer green peel using a sharp knife or vegetable peeler. Cut the rind into 1-inch squares or other uniform shapes as desired.

Place the garlic, bay leaf, peppercorns, coriander, dill, and mustard in the bottom of a clean jar. Pack the watermelon rinds into the jar, leaving at least 1-inch headspace at the top of the jar.

Combine the water and salt to make a brine. Pour the brine over the rinds, ensuring that they are covered (you might not use all of the brine). Keep the rinds submerged by weighing them down with a fermentation weight or other clean objects such as a small jelly jar, a rock, or a brine-filled plastic bag. Cover the jar.

Ferment the rinds for 1 to 3 days at room temperature and away from direct sunlight. Taste them daily and transfer them to the refrigerator when they are to your liking. You may notice some bubbles as the rinds ferment; this is a good sign that the lactic acid bacteria are working.

Recipe Notes:
• Water: Chlorinated water can inhibit fermentation. Use filtered, spring, or distilled water, or leave tap water out for 24 hours to evaporate chlorine.
• Salt: Use salt that is free of iodine and/or anti-caking agents, which can inhibit fermentation.

About the Author

Emily Han (formerly Emily Ho) is a writer, recipe developer and educator on topics such as seasonal food, food preservation, wild food, and herbalism. She is author of Wild Drinks and Cocktails (Fall 2015) and founder of LA Food Swap.
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